<!DOCTYPE HTML>
<html>

	<body>

		<canvas id="myCanvas" width="200" height="100" style="border:1px solid #c3c3c3;">
Your browser does not support the canvas element.
</canvas>

		<script type="text/javascript">
			var c = document.getElementById("myCanvas");
			var cxt = c.getContext("2d");
			cxt.fillStyle = "#FF0000";
			cxt.beginPath();
			cxt.arc(70, 18, 15, 0, Math.PI * 2, true);
			cxt.closePath();
			cxt.fill();
		</script>

	</body>

</html>